Among A, B, C, and D, A is older than B but younger than C. D is younger than A. Who is the youngest?

D. D

In a class, Emma is taller than Noah but shorter than Liam. Olivia is shorter than Noah. Who is the tallest among them?

C. LIAM

In a race, Alex finished before Brian but after Charlie. David finished after Alex. Who finished first?

C. CHARLIE

Four friends, Lisa, Mark, Nina, and Oliver, are ranked based on their scores in a quiz. Lisa scored more than Mark but less than Nina. Oliver scored the least. Who scored the highest?

C. NINA

Four friends, John, Mike, Sarah, and Lisa, have different heights. John is taller than Mike but shorter than Sarah. Lisa is the shortest. Who is the tallest?

C. SARAH